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Finding the Fourth Proportional to 575,923.78, 864,148.23 and 295,638.02

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Solution

The fourth proportional to 575,923.78, 864,148.23 and 295,638.02 is: 443,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,923.78 : 864,148.23 = 295,638.02 : x
  2. Step 2: Convert to fraction form
    575,923.78/864,148.23 = 295,638.02/x
  3. Step 3: Cross multiply
    575,923.78x = 864,148.23 × 295,638.02
  4. Step 4: Simplify right side
    575,923.78x = 255,475,071,703.71
  5. Step 5: Solve for x
    x = 255,475,071,703.71/575,923.78
  6. Step 6: Final answer
    x = 443,591.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.